Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-337 A Fentress TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558      
737-337 0 Fentress TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-337 1 Fentress TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-12-04   
737-337 2 Fentress TX AUSTTXGR45Z  624H ONVOY SPECTRUM, LLC 558   2021-06-27   
737-337 4 Fentress TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558   2021-03-14   
737-337 5 Fentress TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558   2021-03-14   
737-337 6 Fentress TX AUSTTXGR55Z  516J TON80 COMMUNICATIONS, LLC 558   2021-06-14   
737-337 7 Fentress TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2025-01-20   
737-337 8 Fentress TX SMRCTXXAYMD  903C ONVOY, LLC - TX 558   2021-04-30   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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